function verificaForm(obj)
{
	var erro = 0;
	for (var i=0; i < obj.length; i++)
	{ 
        if (obj[i].nodeName == 'INPUT' || obj[i].nodeName == 'TEXTAREA')
		{
			if(!obj[i].value)
			{
            	obj[i].style.border="3px solid #FF0000";
				var label = document.getElementById('l'+obj[i].id);
				if(label)
				{
					label.innerHTML = '<span class="span_erro">preencha este campo</span>';
					erro++;
				}
			}
			else
			{
				obj[i].style.border="3px solid #FFFFFF";
				var label = document.getElementById('l'+obj[i].id);
				if(label)
					label.innerHTML = "";
			}
        }
    }
	if(erro == 0)
		obj.submit();
}
function changeImg(id, src, alt)
{
	var img = document.getElementById(id);
	img.src = src;
	img.alt = alt;
	img.title = alt;
}
function scrollDiv(id, tamanhodiv, dir)
{
	var obj = document.getElementById(id);
	var height = obj.offsetHeight;
	var top = obj.offsetTop;
	var width = obj.offsetWidth;
	var left = obj.offsetLeft;
	if(dir == 'up')
	{
		if(top < 0)
		{
			novo = top+3;
			if(novo > 0)
				novo = 0;
			obj.style.top = novo + "px";
		}
	}
	if(dir == 'down')
	{
		if(top-top-top+tamanhodiv < height)
		{
			novo = top-3;
			if(novo-novo-novo+tamanhodiv > height)
				novo = top;
			obj.style.top = novo + "px";
		}
	}
	if(dir == 'left')
	{
		if(left < 0)
		{
			novo = left+3;
			if(novo > 0)
				novo = 0;
			obj.style.left = novo + "px";
		}
	}
	if(dir == 'right')
	{
		if(left-left-left+tamanhodiv < width)
		{
			novo = left-3;
			if(novo-novo-novo+tamanhodiv > width)
				novo = left;
			obj.style.left = novo + "px";
		}
	}
}
function scrolar(id, tamanho, dir, rate)
{
	scrolling = self.setInterval('scrollDiv(\''+id+'\', '+tamanho+', \''+dir+'\')', rate);
}
function descrolar()
{
	scrolling = window.clearInterval(scrolling);
}
var intervalo = false;
var loles = false;

function popup(fundo,elemento,metodo){
	if(fundo != ''){
	document.getElementById(fundo).style.visibility=metodo;
	}
	if(elemento != ''){
	document.getElementById(elemento).style.visibility=metodo;
	}
}

var lock = false;

function rola(direcao, id)
{
    var altura = parseInt($('#'+id).height());
    var topo = parseInt($('#'+id).css('top'))
    topo = isNaN(topo)?0:topo;
	if (direcao == 'up')
	{
		if (lock == false)
		{
			lock = true;
			topo -= 384;
            if(topo*(-1) < altura)
                $('#'+id).animate({top: topo+'px'}, 1500, 'expoEaseInOut', function(){
                    lock = false;
                });
            else
                lock = false;
		}
	}
	else if (direcao == 'down')
	{
		if (lock == false)
		{
			lock = true;
			topo += 384;
            if(topo <= 0)
                $('#'+id).animate({top: topo+'px'}, 1500, 'bounceEaseOut', function(){
                    lock = false;
                });
            else
                lock = false;
		}
	}
}

function centralizaDiv(id, vel)
{
    var left = ((parseInt($(document.body).width()) - parseInt($('#'+id).width()))/2)-15;
    var top = ((parseInt($(window).height()) - parseInt($('#'+id).height()))/2)-15;
    $('#'+id).stop().animate({'left': left<0?0:left, 'top': top<0?0:top}, vel, 'swing');
}

$(window).bind('resize', function(){
    centralizaDiv('window', 300);
});

$(window).bind('scroll', function(){
    centralizaDiv('window', 10);
});

function openInsc(){												 
		centralizaDiv('window', 10);
		var altura = parseInt($(window).height());
			$('#fundo').css({'height' : altura});
			$('body').css({'overflow':'hidden'});
			$('#fundo').slideDown();
			$('#window').slideDown();
		}

$(document).ready(function(){
	centralizaDiv('window', 10);
	var altura = parseInt($(window).height());
		$('a.inscricao').click(function(){												 
			$('#fundo').css({'height' : altura});
			$('body').css({'overflow':'hidden'});
			$('#fundo').slideDown();
			$('#window').slideDown();
			
			return false;
		});

		$('.close').click(function(){
			$('#fundo').slideUp();
			$('#window').slideUp(500,function(){
				$('body').css({'overflow':'auto'});																
			});
			 
			return false;
		});													 

});